Quote:
Originally Posted by mithrandir
Since for all practical purposes when it comes to focusing the Moon and stars are at infinity, using a star will be fine. The Moon and planets are too big and bright and the diffraction spikes are indistinct.
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Apologies on a stuuuuuupid question, but does that mean that one could use the mask and achieve focus on, say, Sirius, and then to M42 and commence imaging without the need for refocusing?
